Circuit Inspection
WARNING: This page is about a different variant/trim than selected.
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
HO2S (Bank1, Sensor1) connector | 1 (nernst voltage) | Chassis ground | - | 0V |
| HO2S (Bank1, Sensor1) connector | 3 (virtual ground) | Chassis ground | - | 0V | |
| HO2S (Bank1, Sensor1) connector | 6 (pumping current) | Chassis ground | - | 0V | |
| HO2S (Bank1, Sensor1) connector | 4 (trim resistor) | Chassis ground | - | 0V | |
|
HO2S (Bank1, Sensor1) connector | 1 (nernst voltage) | PCM connector | 104 (nernst voltage) | Approx. below 1Ω |
| HO2S (Bank1, Sensor1) connector | 3 (virtual ground) | PCM connector | 83 (virtual ground) | Approx. below 1Ω | |
| HO2S (Bank1, Sensor1) connector | 6 (pumping current) | PCM connector | 105 (pumping current) | Approx. below 1Ω | |
| HO2S (Bank1, Sensor1) connector | 4 (trim resistor) | PCM connector | 84 (trim resistor) | Approx. below 1Ω | |
Good
- Go to "Component Inspection " procedure.
No Good
- Repair or replace as necessary and then go to "Verification of Repair " procedure.